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9. Power Cord Protection — Power-supply Safety In struc tions cords should be routed so that they are 1. Read In struc tions -– All the safe ty and not likely to be walked upon or pinched by op er a tion instructions should be read before items placed upon or against them, paying the Sunfi re Com po nent is operated. particular at ten tion to cords at plugs, con- ve nience re cep tacles, and the point where 2. Retain Instructions — The safety and oper- they exit the Com po nent. ating in s
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15. To prevent electric shock, do not This apparatus does not exceed the Class use this polarized plug with an extension A/Class B (which ev er is ap pli ca ble) limits cord, re cep ta cle or other outlet unless the for radio noise emis sions from digital ap- blades can be fully inserted to prevent paratus as set out in the radio interference blade ex po sure. regulations of the Canadian De part ment of Pour préevenir les chocs électriques ne Com mu ni ca ti
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Introduction Features • High power, high effi ciency amplifi er Thank you for purchasing a Sunfi re True Subwoofer Super Junior. We hope • High gloss, dark rosewood fi nish (also you enjoy it and the music it makes as referred to as Deep Bing Cherry Lacquer) much as we have enjoyed creating it for • Very low distortion you. • Long throw, premium quality drivers The big breakthrough features of the • Extremely compact size subwoofer are its uncanny tracking downconverter and its long throw, hi
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Overview Your Sunfi re Subwoofer is designed to care should be taken with it, though it is give you the best possible low-fre quen cy still very strong. During installation, you sound quality for your Home Theater ex- should position the driver with the bump pe ri ence. It in cor po rates a tre men dous ly towards a protected side. powerful built-in am pli fi er and a pair of drivers to produce tight, fl oor-rumbling The Amplifi er bass down to 22 Hz, that you can feel as The large movement
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Control Panel Features 1 2 3 9 4 5 6 8 7 1. Bass Level 3. Phase Control This control lets you match the output This control changes the relative phase level of the subwoofer to the level of the sub woof er with respect to your of your sat el lite/main speak ers. The other speakers. Use this control to help subwoofer output will increase as this blend the sub woof er with the rest of control is rotated clockwise. When you your sys tem. This is accomplished by have just installed your system,
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To use the high-pass outputs, connect Your amplifi er or receiver MUST the preamp outs on your preamp/ have com mon grounded outputs, receiver to the subwoofer’s line level in- or it will be dam aged if con nect ed puts using good quality RCA type patch to the subwoofer’s speaker-level cords. Then connect a second patch inputs. cord from the subwoofer’s outputs to the inputs of your main amplifi er. This 7. Line Fuse will allow your main speak ers to oper- The subwoofer is supplied with a co
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Installation Observe the following general pre cau - Heat rise tions and read the safety in struc tions on • Allow adequate ventilation around pages 2 and 3 before using your Sunfi re the metal control panel of the Subwoofer. subwoofer. • Never open the cabinet or remove • Do not let anything come into the metal control panel as this contact with the panel and keep it might result in an electrical shock to at least two inches away from any you or dam age to the unit. walls.
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Connections • Whenever possible, keep the Please consider the following when set- power cords away from the signal ting up your new system : cables or speaker wires to pre vent any hum or in ter fer ence being • Before making or changing any heard in the speak ers. connec tions, ALWAYS make sure that the subwoofer is unplugged • Choose reliable, high quality in ter - from the wall and your other con nect cables, also called patch components are turned OFF. Also cords or RCA
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Location 3. Walk around the room, listening, and stand in all the positions where you might be able to place the subwoofer. Try crouching down, 12 3 and try the corners. Find the place where the subwoofer's bass output Your Sunfi re Subwoofer is designed sounds the loudest. to be placed in a corner and this will produce optimum performance. 4. Shut things down and install the subwoofer in this position. Make #1 is very good positioning. sure the control panel is not touch
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INPUTS AMPLIFIER PREAMPLIFIER L R MAIN OUTPUTS SUB/LFE OUT L R TO FRONT SPEAKERS System Confi gurations The following pages show some typical con nec tions that you might make in your in stal la tion. They show how the inputs and outputs of the Sunfi re Subwoofer are con nected to your pream pli fi er or receiver. Connections to a preamplifi er’s subwoofer output If your preamplifi er has a subwoofer output (often labeled LFE for Low Fre quen cy Effects), it can be con nect ed to the sub
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INPUTS AMPLIFIER PREAMPLIFIER R L MAIN OUTPUTS SUB/LFE OUT L R TO FRONT SPEAKERS Connections to a preamplifi er using Y cables If your preamplifi er does not have a sub/LFE output, you can use “Y” cables to send its main outputs to both the sub woof er and your am pli fi er. The subwoofer will play the low frequency range and your front speak ers will play the full range. Although bass is com- mon ly dis trib ut ed evenly between left and right chan nels (L+R bass), movie soundtracks o
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INPUTS AMPLIFIER PREAMPLIFIER R L MAIN OUTPUTS L R TO FRONT SPEAKERS Using the line-level high-pass outputs If you are using a pream- pli fi er which does not have a sub/LFE output, you can send its left and right front output into the sub woof er’s line-level inputs and then connect the sub woof er’s high-pass outputs to the inputs of your amplifi er. The subwoofer will play the low frequencies and your amplifi er and front speakers will play the fre quen cy range above the subwoofer
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R L TO FRONT SPEAKERS RECEIVER MAIN OUTPUTS Using the speaker-level inputs If you are using a re- ceiver which does not have a sub woof er output or line level outputs (pre-outs), you can connect its speak er outputs to the subwoofer’s speaker-level inputs. The front speak ers can still be con nect ed to your receiver. The subwoofer’s internal amplifi er supplies the power to reproduce the low fre- quen cy range. It receives a sample of the signal going to your front speakers. (
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Adjusting the controls There are two main methods for adjust- Step 4. Use the phase control to make ing the level, crossover frequency and the response even smoother. It has its phase of the Sunfi re Subwoofer to match biggest effect at the crossover fre quen cy. a sys tem: You can iterate between the crossover and the phase controls. Keep your hands • Bob Carver’s preferred method: off the level control! It was set correctly By listening and making the in step 2. adj
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Specifi cations Amplifi er Output Input Sensitivity for Full 1,500 Watts rms (4.6 Ω impedance) Out put: 240 mVrms from left input with volume High Cut Filter control at 0 dB, 90 mVrms with volume control fully clockwise 30 Hz - 100 Hz adjustable. The * crossover can be bypassed by rotating 0.48 Vrms from right input with volume the crossover fre quen cy control fully control at 0 dB, 180 mVrms with volume clockwise. control fully clockwise * Frequency Re sponse Input Impedance: 22 Hz -
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Troubleshooting The Sunfi re Subwoofer is expertly • Check that your preamplifi er or de signed and built to provide years of receiver’s sub output is turned on. Some trou ble-free per for mance. Most prob- systems only have a sub output signal lems that occur can usually be solved when the front speakers are set to by checking your setup or making sure “small.” that the com po nents con nect ed to the • If the preamplifi er’s subwoofer/LFE am pli fi er are on and fully op er a tion al. outpu
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hum is caused by the cable TV line, then Hum you will need a “ground-loop iso la tor.” Adding any component such as a sub- This is an in ex pen sive device fi tted in woof er to an existing system will often line with the coaxial cable feed. give rise to a hum which wasn’t there before. Your fi rst thought may be that • If the hum persists, disconnect all the the sub woof er has a problem, but this is source components one at a time from more than likely caused by a “ground- the back of t
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Limited Warranty Sunfi re Corporation is proud of its Some states do not allow limitations on prod ucts which have been built with care how long an implied warranty lasts and/or using ad vanced technology and premium do not allow the exclusion or limitation of com po nent parts. Your unit has been in ci den tal or con se quen tial damages, so crafted to perform properly for many the above lim i ta tions or exclusions may not years. Sunfi re Corporation offers the apply to you. following Warra
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Manual part number 913-124-00 Rev D
